How does the Buret, Automatic, Self-Zeroing, 50 mL Buret Capacity work?
Self-zeroing buret function
The Buret, Automatic, Self-Zeroing, 50 mL Buret Capacity (Product # 2087641) is operated by squeezing the bottle gently and filling the buret just over the zero line. When the bottle is released, any excess liquid is returned to the reservoir bottle. The "automatic" part of its function is that the buret automatically zeros itself. The buret does not automatically refill itself.